Author: Arne Lowden, Associate Professor of Psychology, Stockholm University

Many people who live in the northern part of the world suffer extended periods of darkness this time of the year – and often the winter blues. But there are things you can do to boost your health and wellbeing, and prevent winter depression. Several meteorological phenomena produce a lack of daylight. In research, we often refer to the number of hours with daylight as a photoperiod. At winter solstice, the photoperiod is short – or even absent if you go to the Arctic circle. People living in Russia, Canada, northern USA and northern Europe get very little sunlight in…